Google Docs

Google Docshttps://www.google.com/accounts/ServiceLogin?service=writely&passive=1209600&continue=http%3A%2F%2Fdocs.google.com%2F&followup=http%3A%2F%2Fdocs.google.com%2F&ltmpl=homepage

Google Docs can be used in many ways as an adminstrator.